Citazione Stile APA (7a Edizione)
Youssef, M. (1980). Making Christ known to Muslims. Haggai Institute for Advanced Leadership Training.
Citazione stile Chigago Style (17a edizione)
Youssef, Michael. Making Christ Known to Muslims. Atlanta: Haggai Institute for Advanced Leadership Training, 1980.
Citatione MLA (9a ed.)
Youssef, Michael. Making Christ Known to Muslims. Haggai Institute for Advanced Leadership Training, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.